Infectious diseases are conditions brought on by tiny organisms that can spread from person to person by direct or indir

Conditions known as infectious diseases are caused by microscopic organisms, such as fungus, viruses, bacteria, or paras

Pathogens, which are harmful substances that enter your body, cause infectious diseases, which are illnesses that result

Infectious diseases are illnesses brought on by pathogens, which are dangerous substances that enter your body. Viruses,

Infectious diseases are conditions brought on by organisms, typically minute in size, such as bacteria, viruses, fungi,

Infectious diseases are disorders caused by organisms such as bacteria, viruses, fungi or parasites. Many organisms